Level select
Press [Down], [A], [Down], [Y],
[Down], [A], [Down], [Y] on the options screen.
A sound will confirm correct code entry. Begin game play on the
first level. Press [Start] to pause the game when Aero appears.
Press [Up], [X], [Down], [B], [Left],
[Y], [Right], [A], [L], [R]. A sound
will confirm correct code entry. After game play is resumed, press
[Start] to pause, then press [Select]. Then hold [R]
while the bonus points are calculated at the end of any level.
Full level select menu
Enable the "Level select" code. Press [L],
[R], [X], [B], [Left], [Up], [Right],
[Down], [Y], [A] at the level select screen. Additional
options will appear on the level select menu. Enter the following
codes to enable the corresponding options on this menu.
Infinite stars
Press [A], [Y], [L], [Up], [Down],
[R], [A], [Y], [Right], [Left] at the
full level select menu. The "Infinite Stars" option
may now be selected.
No enemy collision
Press [Down], [A], [Y], [R], [Y],
[B], [Up], [L], [Y], [A] at the full
level select menu. The "No enemy collision" option may
now be selected.
Infinite lives
Press [Up], [Down], [Up], [Down], [Left],
[Right], [R], [L], [Y], [A] at the full
level select menu. The "Infinite Lives" option may
now be selected.
Five continues
Quickly press [X], [Y], [B], [A],
[X], [A], [B], [Y], [Up], [L] at
the title picture that features Aero flying. (This is not the
title screen.) A sound will confirm correct code entry.
Nine continues
Press [X], [Y], [B], [A], [X],
[A], [B], [Y], [Up], [R] at the title
picture that features Aero flying. (This is not the title screen.)
A sound will confirm correct code entry.